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Finding the Fourth Proportional to 247.56, 341.59 and 148.01

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Solution

The fourth proportional to 247.56, 341.59 and 148.01 is: 204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.56 : 341.59 = 148.01 : x
  2. Step 2: Convert to fraction form
    247.56/341.59 = 148.01/x
  3. Step 3: Cross multiply
    247.56x = 341.59 × 148.01
  4. Step 4: Simplify right side
    247.56x = 50,556.29
  5. Step 5: Solve for x
    x = 50,556.29/247.56
  6. Step 6: Final answer
    x = 204.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.